- YDT stands for Your Daily Thread
- YDT stands for Diving Tender (Non Self-Propelled)
- YDT stands for Yukon Daylight Time (GMT-0800)
- YDT stands for Youth Development Trust (South Africa)
- YDT stands for Youth Dance Theatre (Michigan)
- YDT stands for Yamba Drift Team
- YDT stands for You Do That
- YDT stands for Your Divine Tragedy (band)
- YDT stands for Youth Development Training (school subject)
- YDT stands for District Diving Tender (US Navy)
- YDT stands for Young Dalmuir Team
YDT